Rubaz 3 mg / 0,02 mg FC tablets

    Rubaz 3 mg / 0,02 mg FC tablets

    S4
    PDF Leaflet Revision Date: 21 January 2025


    Clinical Summary

    Quick overview from the medicine insert

    Indication

    Oral contraceptive; treatment of moderate acne and PMDD.

    Dosage (summary)

    One tablet daily for 28 days, starting on day 1 of the menstrual cycle.

    Special Populations

    • Renal impairment
    • Hepatic impairment

    Pregnancy & Breastfeeding

    Contraindicated in pregnancy; not recommended during breastfeeding.

    Key Drug Interactions

    • Enzyme inducers
    • HIV protease inhibitors
    • Antibiotics

    Contraindications

    • Hypersensitivity to components
    • Thromboembolic disorders
    • Severe hepatic disease
    • Severe renal impairment

    Common side effects

    • Nausea
    • Headache
    • Breast pain
    • Mood changes

    Counselling Points

    • Use barrier contraception if pills are missed
    • Regular breast examinations recommended
    • Report mood changes or severe side effects

    Serious warnings

    • Increased risk of thromboembolism
    • Monitor for hypertension
    • Potential for breast cancer risk
    Important Disclaimer

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    Clinical Particulars

    Section 4 of the official insert — extracted exactly as issued, no alterations

    4.1 Therapeutic indications

    RUBAZ film-coated tablets (24 + 4) 3 mg drospirenone and 0,02 mg ethinylestradiol

    • Oral contraceptive.
    • Treatment of moderate acne vulgaris in women seeking oral contraception.
    • Treatment of symptoms of premenstrual dysphoric disorder (PMDD) in women who have chosen oral contraception as their method of birth control. The efficacy of RUBAZ for PMDD was not assessed beyond 3 cycles. RUBAZ has not been evaluated for treatment of premenstrual syndrome (PMS).

    4.2 Posology and method of administration

    Posology RUBAZ, when taken correctly, has a failure rate of approximately 1 % per year. The failure rate may increase when pills are missed or taken incorrectly. Tablets must be taken in the order directed on the package, at about the same time every day, with some liquid if needed. One tablet is taken daily for 28 days. Each subsequent pack is started the day after the last intake of the previous pack. A withdrawal bleed usually starts on day 2 to 3 after starting the white placebo tablets and may not be finished before the next pack is started.

    How to start RUBAZ:

    No preceding hormonal contraceptive use (in the past month):

    Tablet-taking has to start on day 1 of the womanu2019s natural cycle (i.e. the first day of her menstrual bleeding). Starting on days 2 to 5 is allowed, but during the first cycle a barrier method is recommended in addition for the first 7 days of tablet-taking.

    Changing from a combined hormonal contraceptive (combined oral contraceptive), vaginal ring or transdermal patch: The woman should start with RUBAZ preferably on the day after the last active tablet of her previous combined oral contraceptive, but at the latest on the day following the usual tablet-free or inactive tablet interval of her previous combined oral contraceptive. If a vaginal ring or transdermal patch has been used, the woman should start using RUBAZ preferably on the day of removal, but at the latest when the next application would have been due.

    Changing from a progestogen-only method (minipill, injection, implant) or from a progestogen-releasing intrauterine system: The woman may switch any day from the minipill, from an implant or the intrauterine system on the day of its removal and from an injectable when the next injection would be due, but should in all of these cases be advised to additionally use a barrier method for the first 7 days of tablet-taking.

    Following first-trimester abortion: The woman may start immediately. When doing so, she need not take additional contraceptive measures.

    Following delivery or second-trimester abortion: For breastfeeding women see section 4.6. Women should be advised to start at day 21 to 28 after delivery or second-trimester abortion. When starting later, the woman should be advised to additionally use a barrier method for the first 7 days of tablet-taking. However, if intercourse has already occurred, pregnancy should be excluded before the actual start of RUBAZ use or the woman has to wait for her first menstrual period.

    Management of missed tablets: Missed white tablets (from the last row of the blister) are placebos and thus can be disregarded to avoid unintentionally prolonging the placebo tablet phase. The following advice only pertains to missed active tablets: If the user is less than 12 hours late in taking any active tablet, contraceptive protection is not reduced. The woman should take the tablet as soon as she remembers and should take further tablets at the usual time. If she is more than 12 hours late in taking any active tablet, contraceptive protection may be reduced. The management of missed tablets can be guided by the following two basic rules: 1. Active tablet-taking must never be discontinued for longer than four days; 2. 7 days of uninterrupted active tablet-taking are required to attain adequate suppression of the hypothalamic-pituitary-ovarian-axis.

    Accordingly the following advice can be given in daily practice: Day 1 to 7: The user should take the last missed tablet as soon as she remembers, even if this means taking two tablets at the same time. She then continues to take tablets at her usual time. In addition, a barrier method such as a condom should be used for the next 7 days. If intercourse took place in the preceding 7 days, the possibility of a pregnancy should be considered. The more tablets that are missed and the closer they are to the inactive tablet phase, the higher the risk of a pregnancy.

    Day 8 to 14: The user should take the last missed tablet as soon as she remembers, even if this means taking two tablets at the same time. She then continues to take tablets at her usual time. Provided that the woman has taken her tablets correctly in the 7 days preceding the first missed tablet, there is no need to use extra contraceptive precautions. However, if this is not the case, or if she missed more than 1 tablet, the woman should be advised to use extra precautions for 7 days.

    Day 15 to 24: The risk of reduced reliability is imminent because of the forthcoming inactive tablet phase. However, by adjusting the tablet-intake schedule, reduced contraceptive protection can still be prevented. If either of the following two options is adhered to, there is no need to use extra contraceptive precautions, provided that in the 7 days preceding the first missed tablet the woman has taken all tablets correctly. If this is not the case, the woman should be advised to follow the first of these two options, and use extra precautions for the next 7 days as well.

    1. The user should take the last missed tablet as soon as she remembers, even if this means taking two tablets at the same time. She then continues to take tablets at her usual time until the active tablets are used up. The 4 inactive tablets must be discarded. The next pack must be started right away. The user is unlikely to have a withdrawal bleed until the end of the active tablets section of the second pack, but she may experience spotting or breakthrough bleeding on active tablet-taking days.
    2. The woman may also be advised to discontinue active tablet-taking from the current pack. She should then have a tablet-free interval of up to 4 days, including the days she missed tablets, and subsequently continue with the next pack, starting in the silver section with the tablet for the appropriate day of the week.

    If the woman missed active tablets and subsequently has no withdrawal bleed in the inactive tablet phase, the possibility of a pregnancy should be considered.

    Advice in case of gastrointestinal disturbances: In case of severe gastrointestinal disturbances, absorption may not be complete and additional contraceptive measures should be taken. If vomiting occurs within 3 to 4 hours after active tablet-taking, the advice concerning missed tablets is applicable. If the woman does not want to change her normal tablet-taking schedule, she must take the extra tablet(s) needed from another pack.

    How to delay a period: To delay a period the woman should continue with another pack of RUBAZ without taking the inactive tablets from her current pack. The extension can be carried on for as long as wished until the end of the active tablets in the second pack. During the extension the woman may experience breakthrough bleeding or spotting. Regular intake of RUBAZ is then resumed after the inactive tablet phase.

    Special populations: Children and adolescents: RUBAZ is only indicated after menarche. Elderly patients: RUBAZ is not indicated after menopause. Patients with hepatic impairment: RUBAZ is contraindicated in women with severe hepatic diseases as long as liver function values have not returned to normal (see section 4.3). Patients with renal impairment: RUBAZ is contraindicated in patients with severe renal impairment or acute renal failure (see section 4.3).

    Method of administration For oral use only.

    4.3 Contraindications

    Combined oral contraceptives, such as RUBAZ, should not be used in the presence of any of the conditions listed below. Should any of the conditions appear for the first time during treatment with RUBAZ, the product should be stopped immediately.

    • hypersensitivity to the active substances (drospirenone and ethinylestradiol) or to any of the excipients listed in section 6.1
    • known hereditary or acquired predisposition for venous or arterial thromboembolism, such as APC-resistance, (including Factor V Leiden), antithrombin-III-deficiency, protein C deficiency, protein S deficiency, hyperhomocysteinaemia, antiphospholipid-antibodies (anticardiolipin-antibodies, lupus anticoagulant)
    • presence or a history of venous or arterial thrombotic/ thromboembolic events (e.g. myocardial infarction, or of a cerebrovascular accident)
    • presence or history of prodromata of a thrombosis (e.g. transient ischaemic attack, angina pectoris)
    • history of migraine with focal neurological symptoms
    • diabetes mellitus with vascular involvement
    • the presence of a severe or multiple risk factor(s) for venous or arterial thrombosis (see section 4.4)
    • personal and family history of breast cancer
    • previous proven deep-vein thrombosis (DVT)
    • previous pulmonary embolism
    • inherited thrombophilia
    • active liver disease
    • patients known with inherited genetic mutations: BRCA1 and BRCA 2 genes
    • early menstrual periods (before the age of 12 years)
    • history of non-cancerous breast diseases (atypical hyperplasia or lobular carcinoma in situ)
    • previous treatment using radiation therapy to the chest or breast
    • previous exposure to diethylstilbestrol (DES)
    • active and severe hepatic disease as long as liver function values have not returned to normal
    • severe renal insufficiency or acute renal failure with a creatinine clearance of < 30 mL/min
    • presence or history of liver tumours (benign or malignant)
    • known or suspected sexsteroid-influenced malignancies (e.g. of the genital organs or the breasts)
    • undiagnosed vaginal bleeding
    • known or suspected pregnancy
    • major surgery with prolonged immobilisation
    • severe hypertension, severe dyslipoproteinaemia
    • depression not well-controlled with treatment
    • a history of depression with the use of hormonal contraception
    • RUBAZ is contraindicated for concomitant use with the medicines containing ombitasvir/ paritaprevir/ritonavir and dasabuvir (see section 4.5).

    4.4 Special warnings and precautions for use

    If any of the conditions or risk factors mentioned below is present, the suitability of RUBAZ should be discussed with the woman. In the event of aggravation, or first appearance of any of these conditions or risk factors, the woman should be advised to contact her doctor to determine whether the use of RUBAZ should be discontinued.

    In case of suspected or confirmed venous thromboembolism (VTE) or arterial thromboembolism (ATE), combined hormonal contraceptives (CHC) use should be discontinued. In case anticoagulant therapy is started, adequate alternative contraception should be initiated because of the teratogenicity of anticoagulant therapy (coumarins).

    Circulatory disorders An association between the use of drospirenone/ethinylestradiol, as in RUBAZ tablets and an increased risk of arterial and venous thrombotic and thromboembolic diseases such as myocardial infarction, stroke, deep venous thrombosis and pulmonary embolism has been reported. Products that contain levonorgestrel, norgestimate or norethisterone are associated with the lowest risk of VTE. Other products, such as RUBAZ, may have up to twice this level of risk. The decision to use any product other than one with the lowest VTE risk should be taken only after a discussion with the woman to ensure she understands the risk of VTE with RUBAZ, how her current risk factors influence this risk, and that her VTE risk is highest in the first ever year of use. There is also some reported evidence that the risk is increased when the same CHC is re-started or a different CHC is started after a break in use of 4 weeks or more. This increased risk is reported to be mainly present during the first 3 months. Overall, the risk for venous thromboembolism (VTE) in users of low estrogen dose combined oral contraceptives is reported to be two- to threefold higher than for non-users of combined oral contraceptives who are not pregnant. VTE may be life-threatening or may have a fatal outcome. Venous thromboembolism, manifesting as deep venous thrombosis and/or pulmonary embolism, may occur. The occurrence of thrombosis has been reported in other blood vessels, e.g. hepatic, mesenteric, renal, cerebral or retinal veins and arteries, in RUBAZ users. There is no consensus about the possible role of varicose veins and superficial thrombophlebitis in venous thromboembolism. Arterial thromboembolic events may be life-threatening or may have a fatal outcome.

    The risk of venous or arterial thrombotic/thromboembolic events or of a cerebrovascular accident increases with:

    • age
    • smoking (with heavier smoking and increasing age the risk increases further, especially in women over 35 years of age)
    • a positive family history (i.e. venous or arterial thromboembolism ever in a sibling or parent at a relatively early age). If a hereditary predisposition is suspected, the woman should be referred to a specialist for advice before deciding about any combined oral contraceptive use
    • obesity (body mass index over 30 kg/mu00b2)
    • dyslipoproteinaemia
    • hypertension
    • migraine
    • valvular heart disease
    • atrial fibrillation
    • prolonged immobilisation, major surgery, any surgery to the legs, or major trauma, temporary immobilisation including air travel > 4 hours can also be a risk factor for VTE, particularly in women with other risk factors. In these situations, it is advisable to discontinue combined oral contraceptive use (in the case of elective surgery at least four weeks in advance) and not to resume until two weeks after complete remobilisation.
    • The increased risk of thromboembolism in the puerperium, must be considered (see section 4.6).

    Other medical conditions which have been associated with adverse circulatory events include diabetes mellitus, cancer, systemic lupus erythematosus, haemolytic uraemic syndrome, chronic inflammatory bowel disease (Crohn's disease or ulcerative colitis) and sickle cell disease.

    An increase in frequency or severity of migraine during RUBAZ tablets use (which may be prodromal of a cerebrovascular event) may be a reason for its immediate discontinuation.

    Biochemical factors that may be indicative of a hereditary or acquired predisposition for venous or arterial thrombosis include activated protein C (APC) resistance, hyperhomocysteinaemia, antithrombin III deficiency, protein C deficiency, protein S deficiency, antiphospholipid antibodies (anticardiolipin antibodies, lupus anticoagulant).

    Breast cancer RUBAZ contains drospirenone and ethinylestradiol which, on prolonged use, may increase the risk of developing breast cancer. A meta-analysis of prospective epidemiological studies from 1992 to 2018 reported a significant increase in the risk of developing breast cancer in 55,575 women 40 - 59 years of age who used menopausal hormone therapy (MHT). The risk increased steadily with duration of use and was slightly greater for oestrogen-progestogen than oestrogen only preparations, and the risk persisted for more than 10 years after stopping the treatment. The relative risk (RR) to develop breast cancer for oestrogen-progestogen preparations was 1.60 at 1-4 years and RR=2.08 at 5-14 years, while that for oestrogen only preparations was 1.17 at 1-4 years and 1.33 at 5-14 years. There was no risk of to develop breast cancer in women who started MHT at 60 years of age. All women on RUBAZ should receive yearly breast examinations by a healthcare provider and perform monthly breast self-examinations. Mammography evaluations should be done based on patient age, risk factors, and prior mammogram results.

    Tumours The most important risk factor for cervical cancer is persistent human papilloma virus infection. Long-term use of RUBAZ may further contribute to an increased risk of cervical cancer. A slightly increased relative risk (RR = 1,24) of having breast cancer diagnosed in women who are currently using drospirenone/ ethinylestradiol, as contained in RUBAZ, has been reported. The excess risk is reported to gradually disappear during the 10 years after cessation of drospirenone/ ethinylestradiol as contained in RUBAZ use. Benign liver tumours and, even more rarely, malignant liver tumours have been reported in users of drospirenone/ethinylestradiol, as contained in RUBAZ. In isolated cases, these tumours have been reported to lead to life-threatening intra-abdominal haemorrhages. A hepatic tumour should be considered in the differential diagnosis when severe upper abdominal pain, liver enlargement or signs of intra-abdominal haemorrhage occur in women taking RUBAZ. With the use of the higher-dosed combined oral contraceptives (COCs) (50 u03bcg ethinylestradiol) the risk of endometrial and ovarian cancer is reduced. Whether this also applies to lower-dosed COCs remains to be confirmed.

    Other conditions The progestin component in RUBAZ is an aldosterone antagonist with potassium-sparing properties. In most cases, no increase of potassium levels is to be expected. In a reported clinical study, however in some patients with mild or moderate renal impairment and concomitant use of potassium-sparing medicines serum potassium levels slightly, but not significantly, increased during drospirenone intake. Therefore, it is recommended to check serum potassium during the first treatment cycle in patients presenting with renal insufficiency and a pre-treatment serum potassium in the upper reference range, and particularly during concomitant use of potassium-sparing medicines. Women with hypertriglyceridemia, or a family history thereof, may be at an increased risk of pancreatitis when using combined oral contraceptives such as RUBAZ. Small increases in blood pressure have been reported in many women taking drospirenone/ ethinylestradiol, as contained in RUBAZ, and clinically relevant increases may occur. If a sustained clinically significant hypertension develops during the use of RUBAZ, then it is prudent for the medical practitioner to withdraw it and treat the hypertension. The occurrence or deterioration of the following conditions have been reported with drospirenone/ ethinylestradiol as contained in RUBAZ use: jaundice and/or pruritus related to cholestasis; gallstone formation; porphyria; systemic lupus erythematosus; haemolytic uraemic syndrome; Sydenhamu2019s chorea; herpes gestationis; otosclerosis -related hearing loss. In women with hereditary angioedema exogenous estrogens such as RUBAZ may induce or exacerbate symptoms of angioedema. Acute or chronic disturbances of liver function may necessitate the discontinuation of RUBAZ. Recurrence of cholestatic jaundice which first occurred during pregnancy or previous use of sex steroids necessitates the discontinuation of RUBAZ. RUBAZ may have an effect on peripheral insulin resistance and glucose tolerance. Hence diabetic women should be carefully observed while taking RUBAZ. Worsening of endogenous depression and epilepsy, has been reported during COC use. Depressed mood and depression are well-known undesirable effects of hormonal contraceptive use. Depression can be serious and is a well-known risk factor for suicidal behaviour and suicide. Women should be advised to contact their medical practitioners in case of mood changes and depressive symptoms, including shortly after initiating treatment. Crohnu2019s disease and ulcerative colitis have been reported with combined oral contraceptives such as RUBAZ. Chloasma may occur, especially in women with a history of chloasma gravidarum. Women with a tendency to chloasma should avoid exposure to the sun or ultraviolet radiation whilst taking RUBAZ. ALT elevations Patients treated for hepatitis C virus infections (HCV) with the medicines containing ombitasvir/ paritaprevir/ritonavir and dasabuvir with or without ribavirin, transaminase (ALT) elevations higher than 5 times the upper limit of normal (ULN) have been reported significantly more frequent in women using ethinylestradiol-containing medicines such as combined hormonal contraceptives (CHCs).

    Medical examination/consultation A complete medical history and physical examination should be taken, and pregnancy must be ruled out prior to the initiation or reinstitution of RUBAZ use, guided by the contraindications (see section 4.3) and warnings (see section 4.4), and should be repeated periodically. Periodic medical assessment is also of importance because contraindications (e.g. a transient ischaemic attack) or risk factors (e.g. a family history of venous or arterial thrombosis) may appear for the first time during the use of RUBAZ. The frequency and nature of these assessments should be based on established practice guidelines and be adapted to the individual woman, but should generally include special reference to blood pressure, breasts, abdominal and pelvic organs, including cervical cytology and relevant laboratory tests. Women should be advised that RUBAZ does not protect against HIV infections (AIDS) and other sexually transmitted diseases (STDs). Women should be advised that additional barrier contraceptive measures are needed to prevent transmission of STDs and HIV infection.

    Reduced efficacy The efficacy of RUBAZ may be reduced in the event of e.g. missed active tablets (see section 4.2), gastrointestinal disturbances during active tablet taking (see section 4.2) or concomitant medicine (see section 4.5).

    Reduced cycle control Irregular bleeding (spotting or breakthrough bleeding) may occur, especially during the first months of use. If bleeding irregularities persist or occur after previously regular cycles, then non-hormonal causes should be considered, and adequate diagnostic measures are indicated to exclude malignancy or pregnancy. These may include curettage.

    In some women withdrawal bleeding may not occur during the inactive tablet phase. If RUBAZ have been taken according to the directions described under section 4.2, it is unlikely that the woman is pregnant. However, if RUBAZ have not been taken according to these directions prior to the first missed withdrawal bleed or if two withdrawal bleeds are missed, pregnancy must be ruled out before its use is continued.

    Lactose Each pink active film-coated tablet contains 44 mg lactose monohydrate. Each white inactive (placebo) film-coated tablet contains 89,5 mg lactose anhydrous. Patients with rare hereditary problems of galactose intolerance, total lactase deficiency or glucose-galactose malabsorption should not take this medicine.

    Sodium RUBAZ contains less than 1 mmol sodium (23 mg) per tablet, that is to say essentially sodium-free.

    4.5 Interaction with other medicines and other forms of interaction

    Interactions between RUBAZ and other medicines may lead to breakthrough bleeding and/or contraceptive failure. The following interactions have been reported in the literature.

    Effects of other medicines on RUBAZ Management Enzyme induction can already be observed after a few days of treatment. Maximal enzyme induction is generally seen within a few weeks. After the cessation of therapy, enzyme induction may be sustained for about 4 weeks.

    Short-term treatment Women on treatment with enzyme-inducing medicines should temporarily use a barrier method or another method of contraception in addition to RUBAZ. The barrier method must be used during the whole time of the concomitant therapy and for 28 days after its discontinuation. If the therapy runs beyond the end of the active tablets in the RUBAZ pack, the placebo tablets must be discarded, and the next RUBAZ pack should be started right away.

    Long-term treatment In women on long-term treatment with hepatic enzyme-inducing active substances, another reliable, non-hormonal, method of contraception is recommended.

    Hepatic metabolism: Interactions can occur with medicines that induce microsomal enzymes, which can result in increased clearance of sex hormones (e.g. phenytoin, barbiturates, bosentan, primidone, carbamazepine, rifampicin, and possibly also oxcarbazepine, topiramate, felbamate, griseofulvin and products containing St Johnu2019s wort).

    Also, HIV protease (e.g. ritonavir) and non-nucleoside reverse transcriptase inhibitors (e.g. nevirapine, efavirenz), and combinations of them, including combinations with HCV inhibitors have been reported to potentially affect hepatic metabolism and can increase or decrease plasma concentrations of estrogen or progestins. The net effect of these changes may be clinically relevant in some cases.

    Concomitant administration of strong CYP3A4 inhibitors can increase plasma concentrations of the estrogen or the progestin or both. In a reported multiple dose study with a drospirenone (3 mg/day) / ethinylestradiol (0,02 mg/day) combination, co-administration of the strong CYP3A4 inhibitor ketoconazole for 10 days increased the AUC (0- 24h) of drospirenone and ethinylestradiol 2,7-fold and 1,4-fold, respectively. Etoricoxib doses of 60 to 120 mg/day have been reported to increase plasma concentrations of ethinylestradiol 1,4 to 1,6-fold, respectively, when taken concomitantly with a combined hormonal contraceptive containing 0,035 mg ethinylestradiol.

    Enterohepatic circulation of estrogens may decrease when certain antibiotics are given, which may reduce ethinylestradiol concentrations (e.g. penicillins, tetracyclines).

    Women on treatment with any of these medicines should temporarily use a barrier method in addition to RUBAZ or choose another method of contraception. With microsomal enzyme-inducing medicines, the barrier method should be used during the time of concomitant medicine administration and for 28 days after their discontinuation. Women on treatment with antibiotics (except rifampicin and griseofulvin) should use the barrier method until 7 days after discontinuation. If the period during which the barrier method is used runs beyond the end of the active tablets in the RUBAZ pack, the inactive tablets should be omitted and the next pack of RUBAZ should be started with the active tablets (i.e. without the usual inactive tablet interval).

    The main metabolites of drospirenone in human plasma are generated without involvement of the cytochrome P450 system. Inhibitors of this enzyme system are therefore unlikely to influence the metabolism of drospirenone.

    Effects of RUBAZ on other medicines RUBAZ may affect the metabolism of certain other medicines. Plasma and tissue concentrations may either increase (e.g. ciclosporin) or decrease (e.g. lamotrigine). Based on in vivo inhibition studies and in vivo interaction studies in female volunteers using omeprazole, simvastatin and midazolam as marker substrates, an interaction of drospirenone at doses of 3 mg with the metabolism of other medicines is unlikely. The reported clinical data suggests that ethinylestradiol may inhibit the clearance of CYP1A2 substrates leading to a weak (e.g. theophylline) or moderate (e.g. tizanidine) increase in their plasma concentration.

    Pharmacodynamic interactions Concomitant use with the medicines containing ombitasvir/paritaprevir/ ritonavir and dasabuvir, with or without ribavirin may increase the risk of ALT elevations. Therefore, RUBAZ users must switch to an alternative method of contraception (e.g. progestogen-only contraception or non-hormonal methods) prior to starting therapy with this combination regimen. RUBAZ can be restarted 2 weeks following completion of treatment with this combination regimen. There is a potential for an increase in serum potassium in women taking RUBAZ with other medicines that may increase serum potassium levels. Such medicines include angiotensin II receptor antagonists, potassium-sparing diuretics, and aldosterone antagonists. However, in studies evaluating the interaction of drospirenone (combined with estradiol) with an ACE inhibitor or indomethacin, no clinically or statistically significant differences in serum potassium concentrations were reported.

    No formal interaction studies were reported with tuberculosis or HIV treatments. Note: The package insert information of concomitant medicines should be consulted to identify potential interactions.

    Laboratory tests: The use of contraceptive steroids may influence the results of certain laboratory tests including biochemical parameters of liver, thyroid, adrenal and renal function, plasma levels of (carrier) proteins, e.g. corticosteroid-binding globulin and lipid/lipoprotein fractions, parameters of carbohydrate metabolism and parameters of coagulation and fibrinolysis. Changes generally remain within the normal laboratory range. Drospirenone causes an increase in plasma renin activity and plasma aldosterone induced by its mild anti-mineralocorticoid activity.

    4.6 Fertility, pregnancy and lactation

    Pregnancy RUBAZ is contraindicated during pregnancy (see section 4.3). If pregnancy occurs during treatment with RUBAZ further intake should be stopped. The increased risk of VTE during the postpartum period should be considered when restarting RUBAZ.

    Breastfeeding The use of RUBAZ is not recommended during breastfeeding. Lactation may be influenced by COCs as they may reduce the quantity and change the composition of breast milk. Therefore, the use of COCs should generally not be recommended until the breastfeeding mother has completely weaned her child. Small amounts of the contraceptive steroids and/or their metabolites may be excreted with the milk during COC use. These amounts may affect the child.

    Fertility RUBAZ is indicated for the prevention of pregnancy.

    4.7 Effects on ability to drive and use machines

    No studies on the effects on the ability to drive and use machines have been reported. No effects on ability to drive and use machines have been reported in users of combined oral contraceptives such as RUBAZ. However, patients should be advised that they may experience undesirable effects such as somnolence, dizziness or vertigo during treatment (see section 4.8). Therefore, caution should be recommended when driving a vehicle or operating machinery.

    4.8 Undesirable effects

    The frequencies of adverse reactions (ARs) reported with drospirenone/ ethinylestradiol are summarised in the table below. Within each frequency grouping, undesirable effects are presented in order of decreasing seriousness.

    System organ Frequency category class Frequent Less frequent Frequency not known Infections and infestations Candidiasis Blood and lymphatic system disorders Anaemia, thrombocythemia Immune system disorders Allergic reaction Hypersensitivity Endocrine disorders Endocrine disorder Metabolism and nutrition disorders Increased appetite, anorexia, hyperkalaemia, hyponatraemia, body weight changes, fluid retention, hypertriglyceridaemia Psychiatric disorders Depressive mood, emotional lability Changes in libido, nervousness, somnolence, anorgasmia, insomnia Altered mood Nervous system disorders Headache, migraine Dizziness, paraesthesia, vertigo, tremor Eye disorders Conjunctivitis, dry eye, eye disorder Contact lens intolerance Ear and labyrinth disorders Hypoacusis Cardiac disorders Tachycardia Vascular disorders Hypertension, hypotension, thromboembolism, varicose vein, phlebitis, vascular disorder, epistaxis, syncope, venous thromboembolism (VTE), arterial thromboembolism (ATE), cerebrovascular accidents Respiratory, thoracic and mediastinal disorders Asthma Gastrointestinal disorders Nausea Vomiting, dyspepsia, flatulence, gastritis, abdominal pain, diarrhoea, abdomen enlarged, gastrointestinal disorder, gastrointestinal fullness, hiatus hernia, oral candidiasis, constipation, dry mouth Hepatobiliary disorders Biliary pain, cholecystitis, liver tumours (benign and malignant), liver function disturbances Skin and subcutaneous tissue disorders Acne, eczema, pruritus, rash, chloasma, alopecia, dermatitis acneiform, dry skin, erythema nodosum, hypertrichosis, skin disorder, Urticaria, erythema multiforme skin striae, contact dermatitis, photosensitive dermatitis, skin nodule Musculoskeletal and connective tissue disorders Back pain, pain in extremity, muscle cramps Reproductive system and breast disorders Breast pain*, leukorrhoea**, vaginal moniliasis, menstrual disorder (metrorrhagia***, amenorrhoea), intermenstrual bleeding*** Vaginitis, breast discharge, vaginal candidiasis, pelvic pain, breast enlargement, fibrocystic breast, uterine / vaginal bleeding*, genital discharge, hot flushes, dysmenorrhoea, hypomenorrhoea, vaginal dryness, papanicolaou smear suspicious, decreased libido General disorders and administration Asthenia, increased sweating, oedema, (generalised site conditions oedema, peripheral oedema, face oedema), malaise * including breast tenderness ** including vaginal discharge *** bleeding irregularities usually subside during continued treatment.

    Reporting of suspected adverse reactions Reporting suspected adverse reactions after authorisation of the medicine is important. It allows continued monitoring of the benefit/risk balance of the medicine. Healthcare professionals are asked to report any suspected adverse reactions to SAHPRA via the online service for adverse drug reaction reporting by following the link: https://www.sahpra.org.za/Publications/Index/8 An email can be sent directly to the company, [email protected] to ensure the safety of the product.

    4.9 Overdose

    On the basis of general experience with combined oral contraceptives, symptoms that may occur in case of taking an overdose of active tablets are nausea; vomiting; and, in young girls, slight vaginal bleeding. Treatment should be symptomatic and supportive.

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